Flask



1. Flask

Figure 1.1 is a perspective view of a flask according to the present invention;

Figure 1.2 is a front view of the flask of Figure. 1.1;

Figure 1.3 is a back view of the flask of Figure. 1.1;

Figure 1.4 is a bottom view of the flask of Figure. 1.1;

Figure 1.5 is a top view of the flask of Figure 1.1;

Figure 1.6 is an enlarged view of the top portion of the flask of Figure 1.1.

The broken lines represent portions of a flask and form no part of the claimed design. 

CLAIM The ornamental design for a flask, as shown and described. 